51697720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1087}}^1$

素因数の和:1168

約数の個数: 64

約数和(自身を含む): 123379200

約数和(自身を除く): 71681480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 41, 58, 82, 116, 145, 164, 205, 232, 290, 328, 410, 580, 820, 1087, 1160, 1189, 1640, 2174, 2378, 4348, 4756, 5435, 5945, 8696, 9512, 10870, 11890, 21740, 23780, 31523, 43480, 44567, 47560, 63046, 89134, 126092, 157615, 178268, 222835, 252184, 315230, 356536, 445670, 630460, 891340, 1260920, 1292443, 1782680, 2584886, 5169772, 6462215, 10339544, 12924430, 25848860, 51697720]

約数ペア:

[(1, 51697720), (2, 25848860), (4, 12924430), (5, 10339544), (8, 6462215), (10, 5169772), (20, 2584886), (29, 1782680), (40, 1292443), (41, 1260920), (58, 891340), (82, 630460), (116, 445670), (145, 356536), (164, 315230), (205, 252184), (232, 222835), (290, 178268), (328, 157615), (410, 126092), (580, 89134), (820, 63046), (1087, 47560), (1160, 44567), (1189, 43480), (1640, 31523), (2174, 23780), (2378, 21740), (4348, 11890), (4756, 10870), (5435, 9512), (5945, 8696)]